V2EX nuclease

Nuclease

释义 Definition

核酸酶:一种能切割核酸(DNA 或 RNA)中磷酸二酯键的酶,用于分解或加工遗传物质。(常见类型包括内切核酸酶与外切核酸酶;也可特指限制性内切酶等。)

例句 Examples

The nuclease cuts DNA into smaller fragments.
核酸酶会把 DNA 切成更小的片段。

To prevent contamination, the lab treated the samples with a nuclease that degrades stray RNA before sequencing.
为防止污染,实验室在测序前用一种能降解游离 RNA 的核酸酶处理样品。

发音 Pronunciation (IPA)

/nuklies/ , /njuklies/

词源 Etymology

来自 nucleic (核酸的) + -ase(酶的常见后缀)。-ase 是生物化学命名中用来表示“某种酶”的后缀,因此 nuclease 直观含义就是“作用于核酸的酶”。

相关词 Related Words

文学与著作中的用例 Literary Works

  • Molecular Biology of the Cell(Alberts 等):在 DNA 修复、复制与核酸代谢章节中频繁出现 nuclease
  • Lehninger Principles of Biochemistry(Lehninger 等):讨论核酸降解与酶学机制时使用该词。
  • Genes(Benjamin Lewin):在基因表达调控、限制酶/核酸酶相关内容中常见。
  • The Double Helix(James D. Watson):作为分子生物学叙述背景术语之一,涉及实验与分子机制时可能出现该词。
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